Home / 2,581.08-3,869.44-1,043.16

Finding the Fourth Proportional to 2,581.08, 3,869.44 and 1,043.16

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Solution

The fourth proportional to 2,581.08, 3,869.44 and 1,043.16 is: 1,563.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.08 : 3,869.44 = 1,043.16 : x
  2. Step 2: Convert to fraction form
    2,581.08/3,869.44 = 1,043.16/x
  3. Step 3: Cross multiply
    2,581.08x = 3,869.44 × 1,043.16
  4. Step 4: Simplify right side
    2,581.08x = 4,036,445.03
  5. Step 5: Solve for x
    x = 4,036,445.03/2,581.08
  6. Step 6: Final answer
    x = 1,563.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.